Learn JLPT N2 Grammar: を契機に (o keiki ni)

赤ん坊が出来たことを契機に、夫婦の仲はさらに深まった。akanbou ga dekita koto o keiki ni, fuufu no naka wa sara ni fukamatta.
Having a child is a good opportunity for a married couple to strengthen their relationship.

会社名が変わるのを契機に社員の制服も新しくすることが決められた。kaishamei ga kawaru no o keiki ni shain no seifuku mo atarashiku suru koto ga kimerareta.
It has been decided that as the company name changes, new uniforms for the employees will also be made.

両親の離婚を契機に、子供は学校を辞めた。ryoushin no rikon o keiki ni, kodomo wa gakkou o yameta.
As a result of their parents’ divorce, the children quit school.

アメリカの参戦を契機にヨーロッパの状況は変わっていた。amerika no sansen o keiki ni yooroppa no joukyou wa kawatte ita.
As a result of America’s involvement in the war, the situation in Europe has changed.